Though ignorant of the reality of WWII and mass-scale propaganda / hate crime against Germans... this presentation, though a little slow... is quite good.  Though he does not say it in the same words as I have for decades: Assimilation of aliens = death, he does say it in other words.

These Facts About Germans are Never Taught in School || Thomas Sowell ReactsThese Facts About Germans are Never Taught in School || Thomas Sowell ReactsThese Facts About Germans are Never Taught in School || Thomas Sowell Reacts

https://www.youtube.com/watch?v=eSlONS3MeWY